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Digisat Quintech RSS 1750 Special Instructions

Digisat Quintech RSS 1750 Special Instructions

2-to-24 substitution switch

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General Description:
The RSS175024X24NE000 is a 2-to-24 substitution switching system that provides solid-state L-Band switching for a
single set of antenna modulators (up to 24 per antenna). It offers 24 sets of primary inputs and outputs as well as two
auxiliary modulator inputs, each one of which can be substituted for any one of the 24 primary inputs. Control and status
is provided either locally via the front panel keypad or remotely through a serial or Ethernet interface. Each of the primary
modulator paths through the switch have guaranteed "zero-loss" whereas the auxiliary modulator (substitution) path has
an additional 3.5 dB gain to compensate for the external power divider loss. Any non-selected paths are internally
terminated into 50 ohms.
Specifications:
Operating Frequency:
Impedance:
Flatness:
Insertion Loss:
Isolation:
Return Loss (I/O):
Compression (1 dB):
Noise Figure:
Group Delay:
RF Connectors:
Power Requirements:
Power Consumption:
Monitor and Control:
Ambient Temperature:
Mechanical:
Weight:
RSS 1750
RSS175024X24NE000
2-to-24 Substitution Switch (950-1750 MHz)
Primary Path
950-1750 MHz
50 0
+ 0.5 dB (over any 250 MHz)
+2.0 dB + 1.0 dB
>40 dB (47 dB typical)
16 dB
+ 5 dBm
9 dB
< 1 nsec.
Type "N" (female), 50 0
100-240 V
Dual Redundant Power Supplies
65 W
Ethernet and RS-422
0 to +55' C
5 RU (8.75"H x 19"W x 20"D)
28 lbs. gross (boxed), 20.5 lbs. net
~
autoranging, 47-63 Hz, w GND lug
Auxiliary Path
950-1750 MHz
50 0
+ 0.5 dB (over any 40 MHz
+6.0 dB + 1.3 dB
>40 dB (47 dB typical)
15 dB
+ 5 dBm
9 dB
< 1 nsec.
Type "N" (female), 50 0

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Summary of Contents for Digisat Quintech RSS 1750

  • Page 1 RSS 1750 RSS175024X24NE000 2-to-24 Substitution Switch (950-1750 MHz) General Description: The RSS175024X24NE000 is a 2-to-24 substitution switching system that provides solid-state L-Band switching for a single set of antenna modulators (up to 24 per antenna). It offers 24 sets of primary inputs and outputs as well as two auxiliary modulator inputs, each one of which can be substituted for any one of the 24 primary inputs.
  • Page 3: Special Instructions

    Special Instructions: The RSS175024X24NE000 is equipped with 24 primary inputs and 24 primary outputs. It is also been equipped with two auxiliary inputs: ENG1 and ENG2. By default, each of the inputs (J1A thru J24A) are connected to their corresponding numbered output (J1B thru J24B);...
  • Page 4 To protect against accidental crosspoint connection change, a lock/unlock feature has been included. Pressing F2 while the Connection Status Screen is displayed locks/unlocks the connection status of the currently displayed output. The F2 button operates as a toggle. Pressing it once will lock the connection as currently specified. Pressing it again disables the lock, thereby allowing changes to be made.
  • Page 5 Output F1=Done ,F2= 1: Station 1 ,F4=Exit Change Port Name Screen Use the F2 and F3 keys to position the cursor at a particular character position, then use the up and down arrow keys to scroll through a list of alphanumeric characters. Repeat this process as often as necessary until the desired name has been entered, then press F1 to save it and return to the Input Name Screen or the Output Name Screen.

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Quintech rss175024x24ne000